Timber Casement Window - Wooden casement window
Verified by manufacturer 3 months ago
Flush double glazed with Argon gas
Flush double glazed with Argon gas
British Woodworking Federation
Certificate type
Health & Safety Accreditation
Certificate type
Timber Casement Window - Flush or Stormproof
Application
Suitable for residential and commercial applications.
Description
The Sash Window Workshop's casement windows have been designed to be energy efficient and complement the architectural style.
The windows replicate as closely as possible the proportions and designs of traditional casement windows, whilst incorporating the latest manufacturing techniques.
They can be used for renovation projects, extensions, and new builds.
Features and benefits:
- All windows comply with the European manufacturing standard EN 14351 and European glazing standard EN 1279.
- New products are CE marked.
- FSC certification for 100% of the timber used.
- Accoya comes with a 50 year anti-rot guarantee.
- Document L compliant.
General information
Color | White Other |
Finish | Painted Stained Semi-gloss |
Material | Wood |
Shape | Rectangle Circle Oval Triangle Other |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | 20 year Guidance for specification option: joinery guarantee. Manufacturer guidance20 year joinery guarantee. When using Accoya: 50 year anti-rot guarantee. |
Uniclass | |
CAWS | L10/10 Wood windows L10/210 Wood windows |
Specification data - Wood window units
Standard | To EN 14351. |
Third-party certification | Buildcheck. |
Dimensions and configurations | Guidance for specification option: Insert requirements; refer to a drawing or schedule as appropriate. |
Product performance | |
Fire performance | |
Fire resistance | N/A. |
Fire egress | N/A. |
Durability | |
Operation and strength characteristics | To BS 6375-2. |
Safety | |
Security level | To PAS 24.The Coastal Group Part Q Cascaded Test Certificate. |
Environmental | |
Background ventilation | Yes. |
Acoustic performance rating | 29 dB.Guidance for specification option: Standard float glass insulating glass unit, 4 mm/6–20 mm/4mm. A range of acoustic insulating glass units are also available; consult manufacturer. |
Thermal | |
Whole window U-value | 1.4 W/m²K.1.5 W/m²K.Manufacturer guidanceTimber frame system with 4-10-4 Low-E 0.05 uncorrected emissivity (St Gobain Planitherm Total+), 90% argon 10% air-filled, low iron outer pane (St Gobain Diamant) glazing unit with Edgetech Superspacer Premium spacer bar with 5 mm hot melt butyl secondary seal. |
British Fenestration Rating Council Window Energy Rating | D.A. |
Frame | |
Standard | To BS EN 942. |
Profile | Ovolo.Pencil bead.Bespoke.Guidance for specification option: Consult manufacturer for options and insert requirements. |
Wood species | Window frame: Accoya; Cill section: Accoya.Window frame: Accoya; Cill section: Durable hardwood. |
Chain of custody | FSC. |
Appearance class | For opaque finishing: to BS EN 942, J10 for glazing beads, drip mouldings and the like. J40 or better for all other members. |
Finish as delivered | Primer, undercoat and gloss.Basecoat stain and two topcoats.Bespoke.Guidance for specification option: Insert requirements. |
Preservative treatment to wood components | Not Applicable |
Ventilator | Coastal TVA ventilators.Not required. |
Frame horns | Not required.Extended cill horn. |
Glazing or infill | |
Standard | Relevant parts of BS EN 1279. |
Requirements | 22 mm double-glazed unit comprising 4 mm Low-E glass, 14 mm argon and 4 mm low-iron glass.Guidance for specification option: Glass thickness: 23 mm (maximum). External finish: Single pane with bonded bar, intermediate bars as necessary. Manufacturer guidanceToughened glass is supplied as required by law. A wide range of other glass types including acoustic laminates are available on request. |
Hardware | Brass - 75 mm butt hinges, TSWW casement handle and stay for each opening leaf, flip over locks/ Egress stay pin.Brass - 75 mm butt hinges, integrated multi point lock system, with key (locking) handle/ Egress stay pin.Brushed chrome - 75 mm butt hinges, TSWW casement handle and stay for each opening leaf, flip over locks/ Egress stay pin.Brushed chrome - 75 mm butt hinges, integrated multi point lock system, with key (locking) handle/ Egress stay pin.Satin chrome - 75 mm butt hinges, TSWW casement handle and stay for each opening leaf, flip over locks/ Egress stay pin.Satin chrome - 75 mm butt hinges, integrated multi point lock system, with key (locking) handle/ Egress stay pin.Polished chrome - 75 mm butt hinges, TSWW casement handle and stay for each opening leaf, flip over locks/ Egress stay pin.Polished chrome - 75 mm butt hinges, integrated multi point lock system, with key (locking) handle/ Egress stay pin.Custom ironmongery.Guidance for specification option: Insert requirements e.g. supplying own ironmongery, using a particular ironmongery from a chosen supplier (where possible) or re-using the existing ironmongery (where possible) or other. Manufacturer guidanceA full range of casement window ironmongery and finishes are available at extra cost. Consult manufacturer. |
Operation | |
Type | Manual. |
Weather seal (factory applied) | Full weatherstripping integrated on all windows. |
Glazing bars | 16 mm Ovolo Bonded. 20 mm Ovolo Bonded. 24 mm Ovolo Bonded. 25 mm Ovolo Bonded. 28 mm Ovolo Bonded. |
Sustainability data
Contains Red List materials | No |
Country of material origin | New Zealand |
Country of product manufacture | United Kingdom |
Material | Wood |
Manufacturing plant location | |
Recyclability | Yes |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |
Third party certifications
British Woodworking Federation
British Woodworking Federation Membership
Health & Safety Accreditation
SafeContractor Certificate
Literature
Accoya Approved Manufacturer
Brochure: The Sash Window Workshop
FENSA Certificate
Listed Building and Conservation Area Guide
Supply Only Delivery, Storage and Fitting Guidelines
Supply Only Guarantee
Supply and Fit Guarantee and Maintenance Guidelines
Accoya: Sustainable and Durable Timber
Casement Window Technical Guide
Case studies
Cotswold Renovation Project: Traditional Timber Windows and Doors
New Traditional Windows and Doors in South West London
New Timber Windows in Hertfordshire
Bespoke Windows and Door Replacement in Buckinghamshire
Transforming an Oxfordshire home with new windows